1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2009 InspIRCd Development Team
6 * See: http://wiki.inspircd.org/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
16 /********* DEFAULTS **********/
18 /* $ExtraSources: socketengines/socketengine_select.cpp */
19 /* $ExtraObjects: socketengine_select.o */
22 /* $ExtraSources: socketengines/socketengine_poll.cpp */
23 /* $ExtraObjects: socketengine_poll.o */
27 /* $ExtraSources: socketengines/socketengine_kqueue.cpp */
28 /* $ExtraObjects: socketengine_kqueue.o */
32 /* $ExtraSources: socketengines/socketengine_epoll.cpp */
33 /* $ExtraObjects: socketengine_epoll.o */
37 /* $ExtraSources: socketengines/socketengine_ports.cpp */
38 /* $ExtraObjects: socketengine_ports.o */
42 #include "socketengine.h"
44 EventHandler::EventHandler()
49 void EventHandler::SetFd(int FD)
54 SocketEngine::SocketEngine()
56 TotalEvents = WriteEvents = ReadEvents = ErrorEvents = 0;
57 lastempty = ServerInstance->Time();
61 SocketEngine::~SocketEngine()
65 void SocketEngine::SetEventMask(EventHandler* eh, int mask)
67 eh->event_mask = mask;
70 void SocketEngine::ChangeEventMask(EventHandler* eh, int change)
72 int old_m = eh->event_mask;
75 // if we are changing read/write type, remove the previously set bit
76 if (change & FD_WANT_READ_MASK)
77 new_m &= ~FD_WANT_READ_MASK;
78 if (change & FD_WANT_WRITE_MASK)
79 new_m &= ~FD_WANT_WRITE_MASK;
81 // if adding a trial read/write, insert it into the set
82 if (change & FD_TRIAL_NOTE_MASK && !(old_m & FD_TRIAL_NOTE_MASK))
83 trials.insert(eh->GetFd());
89 eh->event_mask = new_m;
90 OnSetEvent(eh, old_m, new_m);
93 void SocketEngine::DispatchTrialWrites()
95 std::vector<int> working_list;
96 working_list.reserve(trials.size());
97 working_list.assign(trials.begin(), trials.end());
99 for(unsigned int i=0; i < working_list.size(); i++)
101 int fd = working_list[i];
102 EventHandler* eh = GetRef(fd);
105 int mask = eh->event_mask;
106 eh->event_mask &= ~(FD_ADD_TRIAL_READ | FD_ADD_TRIAL_WRITE);
107 if ((mask & (FD_ADD_TRIAL_READ | FD_READ_WILL_BLOCK)) == FD_ADD_TRIAL_READ)
108 eh->HandleEvent(EVENT_READ, 0);
109 if ((mask & (FD_ADD_TRIAL_WRITE | FD_WRITE_WILL_BLOCK)) == FD_ADD_TRIAL_WRITE)
110 eh->HandleEvent(EVENT_WRITE, 0);
114 bool SocketEngine::HasFd(int fd)
116 if ((fd < 0) || (fd > GetMaxFds()))
121 EventHandler* SocketEngine::GetRef(int fd)
123 if ((fd < 0) || (fd > GetMaxFds()))
128 bool SocketEngine::BoundsCheckFd(EventHandler* eh)
132 if ((eh->GetFd() < 0) || (eh->GetFd() > GetMaxFds()))
138 int SocketEngine::Accept(EventHandler* fd, sockaddr *addr, socklen_t *addrlen)
140 return accept(fd->GetFd(), addr, addrlen);
143 int SocketEngine::Close(EventHandler* fd)
146 return closesocket(fd->GetFd());
148 return close(fd->GetFd());
152 int SocketEngine::Close(int fd)
155 return closesocket(fd);
161 int SocketEngine::Blocking(int fd)
164 unsigned long opt = 0;
165 return ioctlsocket(fd, FIONBIO, &opt);
167 int flags = fcntl(fd, F_GETFL, 0);
168 return fcntl(fd, F_SETFL, flags & ~O_NONBLOCK);
172 int SocketEngine::NonBlocking(int fd)
175 unsigned long opt = 1;
176 return ioctlsocket(fd, FIONBIO, &opt);
178 int flags = fcntl(fd, F_GETFL, 0);
179 return fcntl(fd, F_SETFL, flags | O_NONBLOCK);
183 int SocketEngine::GetSockName(EventHandler* fd, sockaddr *name, socklen_t* namelen)
185 return getsockname(fd->GetFd(), name, namelen);
188 int SocketEngine::RecvFrom(EventHandler* fd, void *buf, size_t len, int flags, sockaddr *from, socklen_t *fromlen)
190 this->UpdateStats(len, 0);
191 return recvfrom(fd->GetFd(), buf, len, flags, from, fromlen);
194 int SocketEngine::Send(EventHandler* fd, const void *buf, size_t len, int flags)
196 this->UpdateStats(0, len);
197 return send(fd->GetFd(), buf, len, flags);
200 int SocketEngine::Recv(EventHandler* fd, void *buf, size_t len, int flags)
202 this->UpdateStats(len, 0);
203 return recv(fd->GetFd(), buf, len, flags);
206 int SocketEngine::SendTo(EventHandler* fd, const void *buf, size_t len, int flags, const sockaddr *to, socklen_t tolen)
208 this->UpdateStats(0, len);
209 return sendto(fd->GetFd(), buf, len, flags, to, tolen);
212 int SocketEngine::Connect(EventHandler* fd, const sockaddr *serv_addr, socklen_t addrlen)
214 return connect(fd->GetFd(), serv_addr, addrlen);
217 int SocketEngine::Shutdown(EventHandler* fd, int how)
219 return shutdown(fd->GetFd(), how);
222 int SocketEngine::Bind(int fd, const sockaddr *my_addr, socklen_t addrlen)
224 return bind(fd, my_addr, addrlen);
227 int SocketEngine::Listen(int sockfd, int backlog)
229 return listen(sockfd, backlog);
232 int SocketEngine::Shutdown(int fd, int how)
234 return shutdown(fd, how);
237 void SocketEngine::RecoverFromFork()
241 void SocketEngine::UpdateStats(size_t len_in, size_t len_out)
243 if (lastempty != ServerInstance->Time())
245 lastempty = ServerInstance->Time();
246 indata = outdata = 0;
252 void SocketEngine::GetStats(float &kbitpersec_in, float &kbitpersec_out, float &kbitpersec_total)
254 UpdateStats(0, 0); /* Forces emptying of the values if its been more than a second */
255 float in_kbit = indata * 8;
256 float out_kbit = outdata * 8;
257 kbitpersec_total = ((in_kbit + out_kbit) / 1024);
258 kbitpersec_in = in_kbit / 1024;
259 kbitpersec_out = out_kbit / 1024;